Distributing/Equivalent
Solve using distributing property: 3(5x-2)
15x-6
William bought pencil boxes for his art class. Each box costs $3.50. He gave $30 to the cashier and got $5.50 as change. How many pencil boxes did he buy? Use the on-screen keyboard to enter your answer in the box below.
7 pencil boxes
.15 is what as a percentage?
15%
A box has an equal number of red and green balls. What is the probability of a red ball being chosen if the box has a total of 30 balls?
1/2
What's the area of a rectangle with a width of 8 feet and a length of 3 feet? (make sure to use the correct units)
24 square feet
Evaluate: 5x-2(4x+y)
-3x-2y
A taxi service charges $2.40 for the first mile of a ride and $1.40 for every additional mile. Linda planned to give a $2 tip for the taxi driver. How many miles can she ride for $10?
5 miles
What is 60% of 150?
90
George wanted to survey the town residents to determine if they favor opening a shopping center. Which method of sampling BEST represents the most unbiased opinion?
A. Survey residents who visit the shopping center often.
B. Survey 500 residents who are above 50 years.
C. Survey residents who are below 20 years.
D. Survey 1000 residents in the town.
D. Survey 1000 residents in the town.
If the circumference is 25.12, what is the diameter? Use Pi= 3.14
8
Combined like terms
4xy + 6y -3x +3y -2x -14xy
-5x +9y -10xy
The original cost of a piano is $19,100, and it is on a sale for 19% off its original price. If the total cost includes 5% sales tax, what is the total cost of the piano?
$15,471
The cost of local cheese per kilogram is $10 before tax. If the final price is $10.60, what is the percent of the tax?
6%
If I have a bag with 2 pink marbles, 5 red and 3 purple marbles, what's the probability of pulling a purple marble?
3/10
A rectangle has an area of 21x+81 square units. If the width is 3 units, what is the length of the rectangle?
7x+27
Solve: 3x+2=x+6
x=2
A rental truck costs $96 per day plus $0.60 per each mile. If Calvin can spend a maximum of $120, how many miles can he drive the rental truck?
40 miles
The total population of a small town is p. The population increases by 10% after 5 years. Which of the following expressions represents the population of the town after 5 years?
p + 0.1p
A card deck has 4 red cards and 6 blue cards and 8 green cards, what's the probability of picking a blue card? Simplify your answer.
1/3
What is a scaled copy?
A scaled copy is a copy of a figure where every length in the original figure is multiplied by the same number.
Solve: 3(x+2)+5=4x+2(5)
X=1
If Jessica has $600 for prom and she buys a dress for $250 and shows for $50, what percentage is her total cost?
50%
Put the listing numbers from least to greatest: 1/3, .5, .8, 3/5, 70%
1/3, .5, 3/5, 70%, .8
What is the likelihood of it raining if there's a 47% chance?
Neither likely nor unlikely.
If my scale factor is 1/2, will the scaled copy be bigger or smaller than the original copy.
Smaller